2021
β3 adrenergic receptor as potential therapeutic target in ADPKD
Schena G, Carmosino M, Chiurlia S, Onuchic L, Mastropasqua M, Maiorano E, Schena FP, Caplan MJ. β3 adrenergic receptor as potential therapeutic target in ADPKD. Physiological Reports 2021, 9: e15058. PMID: 34676684, PMCID: PMC8531837, DOI: 10.14814/phy2.15058.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseaseΒ3-ARΒ3-adrenergic receptorTherapeutic targetKidney/body weight ratioΒ3-AR levelSympathetic nerve activityBody weight ratioType 2 receptorCyst-lining epithelial cellsDominant polycystic kidney diseaseRenal tubular cellsNovel therapeutic targetCyclic AMP accumulationPotential therapeutic targetVasopressin type 2 receptorHuman renal tissuePolycystic kidney diseaseFluid-filled cystsADPKD mouse modelNerve activityKidney functionKidney diseaseRenal parenchymaHealthy controls
2013
Polycystin-1C terminus cleavage and its relation with polycystin-2, two proteins involved in polycystic kidney disease.
Bertuccio CA, Caplan MJ. Polycystin-1C terminus cleavage and its relation with polycystin-2, two proteins involved in polycystic kidney disease. Medicina 2013, 73: 155-62. PMID: 23570767.Peer-Reviewed Original ResearchConceptsPolycystin-1Polycystin-2Autosomal dominant polycystic kidney diseaseTerminal cytoplasmic tailProtein sortingNormal tubulogenesisPolycystic kidney diseaseProtein functionCytoplasmic tailTerminal tailCommon genetic causeCystogenic processExtracellular matrixDifferentiation mechanismsCellular proliferationGenetic causeMultiple cleavagesDominant polycystic kidney diseasePathwayHigh proliferative rateCleavageProliferative rateSecretory characteristicsGenesTubulogenesis
2011
The γ-Secretase Cleavage Product of Polycystin-1 Regulates TCF and CHOP-Mediated Transcriptional Activation through a p300-Dependent Mechanism
Merrick D, Chapin H, Baggs JE, Yu Z, Somlo S, Sun Z, Hogenesch JB, Caplan MJ. The γ-Secretase Cleavage Product of Polycystin-1 Regulates TCF and CHOP-Mediated Transcriptional Activation through a p300-Dependent Mechanism. Developmental Cell 2011, 22: 197-210. PMID: 22178500, PMCID: PMC3264829, DOI: 10.1016/j.devcel.2011.10.028.Peer-Reviewed Original ResearchMeSH KeywordsAmyloid Precursor Protein SecretasesAnimalsApoptosisCell ProliferationCells, CulturedCystsEmbryo, NonmammalianHumansImmunoblottingImmunoprecipitationKidneyP300-CBP Transcription FactorsPhenotypePolycystic Kidney, Autosomal DominantTCF Transcription FactorsTranscription Factor CHOPTranscriptional ActivationTRPP Cation ChannelsWnt Signaling PathwayZebrafishConceptsCarboxy-terminal tailPolycystin-1P300-dependent mechanismTranscription factor TCFTranscriptional coactivator p300Cultured renal epithelial cellsΓ-secretase-mediated cleavageAutosomal dominant polycystic kidney diseaseRenal epithelial cellsTranscriptional activationZebrafish embryosCoactivator p300Γ-secretase activityNormal growth ratePKD1 expressionNull cellsProtein fragmentsCyst formationΓ-secretase inhibitionCHOP pathwayApoptosisEpithelial cellsCleavage productsPolycystic kidney diseaseExpressionMacrophages Promote Cyst Growth in Polycystic Kidney Disease
Karihaloo A, Koraishy F, Huen SC, Lee Y, Merrick D, Caplan MJ, Somlo S, Cantley LG. Macrophages Promote Cyst Growth in Polycystic Kidney Disease. Journal Of The American Society Of Nephrology 2011, 22: 1809-1814. PMID: 21921140, PMCID: PMC3187181, DOI: 10.1681/asn.2011010084.Peer-Reviewed Original ResearchConceptsPolycystic kidney diseaseCyst-lining cellsKidney diseaseCyst growthPkd1-deficient cellsContribution of inflammationMacrophage-depleted miceVehicle-treated controlsPostnatal day 10Renal functionInflammatory componentIschemic injuryOrthologous modelCre miceCystic areasLiposomal clodronateCyst progressionRenal parenchymaCystic indexTubular cellsDay 10Therapeutic potentialDay 24Macrophage migrationMacrophagesActivating AMP-activated protein kinase (AMPK) slows renal cystogenesis
Takiar V, Nishio S, Seo-Mayer P, King JD, Li H, Zhang L, Karihaloo A, Hallows KR, Somlo S, Caplan MJ. Activating AMP-activated protein kinase (AMPK) slows renal cystogenesis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 2462-2467. PMID: 21262823, PMCID: PMC3038735, DOI: 10.1073/pnas.1011498108.Peer-Reviewed Original ResearchConceptsCystic fibrosis transmembrane conductance regulatorRenal cystogenesisProtein kinaseAutosomal dominant polycystic kidney diseaseFibrosis transmembrane conductance regulatorTransmembrane conductance regulatorEpithelial cellsCyst epithelial cellsRenal cyst developmentCyst-lining epithelial cellsAMPK activationConductance regulatorRapamycin (mTOR) pathwayMammalian targetPharmacological activatorsChloride channelsMTOR pathwayCystogenesisCyst developmentKinaseAMPKContext of ADPKDSignificant arrestDominant polycystic kidney diseasePolycystic kidney disease